>> Pretty much everything else in Perl is happy to treat undef as 0, why not sort?
> I think you're confused
[...]
These are just warnings. sort dies, that's the difference. So if you don't have warnings on, you can do string comparisons with <=> as long as you want, and suddenly with a special input your script will die instead of only warn.
I see it as another encouragement to always use warnings =)

In reply to Re^4: Dangerous Names by tinita
in thread Dangerous Names by samtregar

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